feat(pay): card-pass redeem for VIP and balance (zibll-style)

Rewrite charge-card into typed single-use card_pass inventory with public redeem REST, user-center UI for balance/VIP, admin type-aware create/batch, and CAS mark-used fulfillment via Credits/activate_vip.

functions.php

@@ -180,6 +180,9 @@ if (class_exists('AKSRT_Content_Pay')) {
 if (class_exists('AKSRT_Vip_Service')) {
     AKSRT_Vip_Service::get_instance()->init();
 }
+if (class_exists('AKSRT_Charge_Card')) {
+    AKSRT_Charge_Card::get_instance()->init();
+}
 // Download State & Docs Presenter are pure service singletons (no hooks)
 if (class_exists('AKSRT_Download_State')) {
     AKSRT_Download_State::get_instance();